Published by:
CGP EDU Academic Team
Published on: August 21, 2026
Two stages of insulin (Stage (P) and stage (Q) ) are shown in the diagram. Select the correct statement.
Text Solution
Verified by ExpertsThe correct answer is:
D
In the physiological synthesis of insulin, the hormone is initially produced as an inactive precursor called proinsulin (Stage P). Proinsulin contains three peptide chains: the A-chain, the B-chain, and an extra connecting tract known as the C-peptide. Because of this structural composition, it lacks full biological activity and cannot effectively bind to lower-affinity metabolic receptors until processed.
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